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Rev. E
Groundsmaster 4000−D Page 3 − 11 Kubota Diesel Engine (Rev. B)
DANGER
Because diesel fuel is highly flammable, use cau-
tion when storing or handling it. Do not smoke
while filling the fuel tank. Do not fill fuel tank
while engine is running, hot, or when machine is
in an enclosed area. Always fill fuel tank outside
and wipe up any spilled diesel fuel before start-
ing the engine. Store fuel in a clean, safety−ap-
proved container and keep cap in place. Use die-
sel fuel for the engine only; not for any other
purpose.
Check Fuel Lines and Connections
Check fuel lines and connections periodically as recom-
mended in the Operator’s Manual. Check lines for dete-
rioration, damage, leaking, or loose connections.
Replace hoses, clamps, and connections as necessary.
Drain and Clean Fuel Tank
Drain and clean the fuel tank periodically as recom-
mended in the Operator’s Manual. Also, drain and clean
the fuel tank if the fuel system becomes contaminated
or if the machine is to be stored for an extended period.
To clean fuel tank, flush tank out with clean diesel fuel.
Make sure tank is free of contaminates and debris.
Fuel Tank Removal (Fig. 7)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2. Raise seat and hood.
3. Remove battery cover and strap. Disconnect nega-
tive battery cable first and then positive battery cable.
Remove battery from machine.
4. Use a fuel transfer pump to remove fuel from the fuel
tank and into a suitable container.
5. Disconnect electrical wiring from the sending unit.
6. Disconnect fuel hose from the standpipe and venting
hoses from elbow fittings in top of tank.
7. Remove phillips head screws that secure two (2)
tank covers to ROPS assembly. Remove tank covers.
8. Remove fuel tank using Figure 7 as a guide.
Fuel Tank Installation
1. Install fuel tank using Figure 7 as a guide.
A. Torque two locking flange nuts that secure the
fuel tank to the frame from 60 to 80 in−lb (7 to 9 N−m).
2. Install two (2) tank covers to ROPS assembly.
3. Connect fuel hose to the standpipe and venting
hoses to the elbow fittings.
4. Connect electrical wiring to the sending unit.
A. Connect white wire to the center terminal and
black wire to any of the screws that secure the fuel
sender to the fuel tank.
B. Apply skin−over grease to the wire terminal con-
nections.
CAUTION
Connecting battery cables to the wrong battery
post could result in personal injury and/or dam-
age to the electrical system.
5. Position battery in machine. Connect positive battery
cable first and then negative battery cable. Install bat-
tery strap and cover.
6. Lower seat and hood.
7. Fill fuel tank (see Operator’s Manual).
Kubota
Diesel Engine